western sweet coltsfoot

Petasites frigidus var. palmatus

Member of arctic butterbur (Petasites frigidus)
butterburs (genus Petasites)
groundsels and allies (tribe Senecioneae)
sunflower family (family Asteraceae)
dicots (class Magnoliopsida)
white in flowering plants

There are no other wild members of this species in California.

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• broad, lobed leaves
• native

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Chris’s observations: 4 (all are research grade)

Locations:

• Monte Bello OSP: 3
• Nisene Marks SP

Months:

• Jun.: 1
• Jul.: 1
• Aug.: 1
• Sep.: 0
• Oct.: 0
• Nov.: 1

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Taxon info: iNaturalist – Calflora – CalPhotos – Jepson eFlora – FNA

Bay Area species: iNaturalist – Calflora